Amazon Flexible Payments Service (Amazon FPS) is now generally available and has been made easier to use with Amazon FPS Quick Starts. Amazon FPS Quick Starts aggregate various Amazon FPS APIs into a simplified set of APIs that substantially reduce the steps you must take to enable payment processing on your website. Also, with a limited time offer from Amazon Payments, you can get started free! Build an application using Amazon FPS and get free payment processing for the first 90 days until total transaction volume reaches $500,000. Learn more.